【Extensive Compatibility】 Improved comfort and stability for smooth gameplay, compatible with Quest 3 and Quest 3S with upgraded features. 【Adjustable Design】 Easy to wear with a convenient rotating feature, ensuring a perfect fit for any head size. 【Removable Soft Cotton Strap】 Features a removable soft cotton strap and skin-friendly padding for maximum comfort during prolonged use. 【Glasses-Friendly】 Equipped with a glasses joint to securely accommodate spectacles, providing a seamless VR experience for all users. 【Extended Battery Life】 Large 10,000mAh battery supports up to 4-6 hours of uninterrupted VR use, keeping you immersed in virtual adventures. 【Safe and Reliable Battery】 Lithium polymer battery includes protection mechanisms against overcharging, overheating, and overloading for safe use.Specifications: Battery Capacity: 10,000mAh Battery Type: Lithium polymer Usage Time: 4-6 hours Safety Features: Overcharge protection, overheat protection, overload protection Material: Soft cotton strap with skin-friendly padding Special Features: Rotating adjustment, glasses joint, removable strap